STM32F0xx Standard Peripherals Firmware Library
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STM32F0xx_StdPeriph_Examples/TIM/TIM_TimeBase/stm32f0xx_it.c
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00001 /** 00002 ****************************************************************************** 00003 * @file TIM/TIM_TimeBase/stm32f0xx_it.c 00004 * @author MCD Application Team 00005 * @version V1.4.0 00006 * @date 24-July-2014 00007 * @brief Main Interrupt Service Routines. 00008 * This file provides template for all exceptions handler and 00009 * peripherals interrupt service routine. 00010 ****************************************************************************** 00011 * @attention 00012 * 00013 * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2> 00014 * 00015 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); 00016 * You may not use this file except in compliance with the License. 00017 * You may obtain a copy of the License at: 00018 * 00019 * http://www.st.com/software_license_agreement_liberty_v2 00020 * 00021 * Unless required by applicable law or agreed to in writing, software 00022 * distributed under the License is distributed on an "AS IS" BASIS, 00023 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00024 * See the License for the specific language governing permissions and 00025 * limitations under the License. 00026 * 00027 ****************************************************************************** 00028 */ 00029 00030 /* Includes ------------------------------------------------------------------*/ 00031 #include "stm32f0xx_it.h" 00032 00033 /** @addtogroup STM32F0xx_StdPeriph_Examples 00034 * @{ 00035 */ 00036 00037 /** @addtogroup TIM_TimeBase 00038 * @{ 00039 */ 00040 00041 /* Private typedef -----------------------------------------------------------*/ 00042 /* Private define ------------------------------------------------------------*/ 00043 /* Private macro -------------------------------------------------------------*/ 00044 /* Private variables ---------------------------------------------------------*/ 00045 uint16_t capture = 0; 00046 extern __IO uint16_t CCR1_Val; 00047 extern __IO uint16_t CCR2_Val; 00048 extern __IO uint16_t CCR3_Val; 00049 extern __IO uint16_t CCR4_Val; 00050 /* Private function prototypes -----------------------------------------------*/ 00051 /* Private functions ---------------------------------------------------------*/ 00052 00053 /******************************************************************************/ 00054 /* Cortex-M0 Processor Exceptions Handlers */ 00055 /******************************************************************************/ 00056 00057 /** 00058 * @brief This function handles NMI exception. 00059 * @param None 00060 * @retval None 00061 */ 00062 void NMI_Handler(void) 00063 { 00064 } 00065 00066 /** 00067 * @brief This function handles Hard Fault exception. 00068 * @param None 00069 * @retval None 00070 */ 00071 void HardFault_Handler(void) 00072 { 00073 /* Go to infinite loop when Hard Fault exception occurs */ 00074 while (1) 00075 { 00076 } 00077 } 00078 00079 /** 00080 * @brief This function handles SVCall exception. 00081 * @param None 00082 * @retval None 00083 */ 00084 void SVC_Handler(void) 00085 { 00086 } 00087 00088 /** 00089 * @brief This function handles PendSVC exception. 00090 * @param None 00091 * @retval None 00092 */ 00093 void PendSV_Handler(void) 00094 { 00095 } 00096 00097 /** 00098 * @brief This function handles SysTick Handler. 00099 * @param None 00100 * @retval None 00101 */ 00102 void SysTick_Handler(void) 00103 { 00104 } 00105 00106 /******************************************************************************/ 00107 /* STM32F0xx Peripherals Interrupt Handlers */ 00108 /******************************************************************************/ 00109 /** 00110 * @brief This function handles TIM3 global interrupt request. 00111 * @param None 00112 * @retval None 00113 */ 00114 void TIM3_IRQHandler(void) 00115 { 00116 if (TIM_GetITStatus(TIM3, TIM_IT_CC1) != RESET) 00117 { 00118 TIM_ClearITPendingBit(TIM3, TIM_IT_CC1); 00119 00120 /* LED1 toggling with frequency = 73.24 Hz */ 00121 STM_EVAL_LEDToggle(LED1); 00122 capture = TIM_GetCapture1(TIM3); 00123 TIM_SetCompare1(TIM3, capture + CCR1_Val); 00124 } 00125 else if (TIM_GetITStatus(TIM3, TIM_IT_CC2) != RESET) 00126 { 00127 TIM_ClearITPendingBit(TIM3, TIM_IT_CC2); 00128 00129 /* LED2 toggling with frequency = 109.8 Hz */ 00130 STM_EVAL_LEDToggle(LED2); 00131 capture = TIM_GetCapture2(TIM3); 00132 TIM_SetCompare2(TIM3, capture + CCR2_Val); 00133 } 00134 else if (TIM_GetITStatus(TIM3, TIM_IT_CC3) != RESET) 00135 { 00136 TIM_ClearITPendingBit(TIM3, TIM_IT_CC3); 00137 00138 /* LED3 toggling with frequency = 219.7 Hz */ 00139 STM_EVAL_LEDToggle(LED3); 00140 capture = TIM_GetCapture3(TIM3); 00141 TIM_SetCompare3(TIM3, capture + CCR3_Val); 00142 } 00143 else 00144 { 00145 TIM_ClearITPendingBit(TIM3, TIM_IT_CC4); 00146 00147 /* LED4 toggling with frequency = 439.4 Hz */ 00148 STM_EVAL_LEDToggle(LED4); 00149 capture = TIM_GetCapture4(TIM3); 00150 TIM_SetCompare4(TIM3, capture + CCR4_Val); 00151 } 00152 } 00153 00154 /******************************************************************************/ 00155 /* STM32F0xx Peripherals Interrupt Handlers */ 00156 /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ 00157 /* available peripheral interrupt handler's name please refer to the startup */ 00158 /* file (startup_stm32f0xx.s). */ 00159 /******************************************************************************/ 00160 00161 /** 00162 * @brief This function handles PPP interrupt request. 00163 * @param None 00164 * @retval None 00165 */ 00166 /*void PPP_IRQHandler(void) 00167 { 00168 }*/ 00169 00170 /** 00171 * @} 00172 */ 00173 00174 /** 00175 * @} 00176 */ 00177 00178 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/